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- Project Design
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- Update:
- 2014-03-11
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- 周成
Description: Scale invariant feature transform(SIb-T)is one of the most efective local feature of scale，rotation and illumi—
nation invariant，but its algorithm is complicated and computation time is long．The computation time distribution is ana-
lyzed，and the computation speed is greatly improved by dynamically modifying sampling step when computing the gradi—
ent histogram of the region around the key point location．SIFr-based image matching algorithm is analyzed，and a bidi—
rectional matching algorithm is propesed to improve the accuracy of ima ge ma tching．The experimental results show that
the prope sed algorithms are efective．
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